As­traZeneca’s big MYS­TIC tri­al ends a com­plete fail­ure as Imfinzi/treme­li­mum­ab com­bo flops on over­all sur­vival

Last year, As­traZeneca preached pa­tience af­ter ini­tial da­ta showed its check­point in­hibitor Imfinzi com­bined with their in-house CT­LA-4 drug failed to meet the pri­ma­ry end­point of pro­gres­sion-free sur­vival in a piv­otal lung can­cer tri­al. On Fri­day, that faith proved in vain as the im­munother­a­py al­so failed to im­prove over­all sur­vival in the keen­ly watched MYS­TIC tri­al.

The tri­al test­ed Imfinzi both as a monother­a­py and in com­bi­na­tion with an­oth­er check­point in­hibitor, treme­li­mum­ab, against chemother­a­py in treat­ment-naive pa­tients with stage IV non-small cell lung can­cer (NSCLC), a cru­cial are­na in the bat­tle for check­point drug dom­i­nance.

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